/*
* AntiDupl.NET Program (http://ermig1979.github.io/AntiDupl).
*
* Copyright (c) 2002-2018 Yermalayeu Ihar.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy 
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
* copies of the Software, and to permit persons to whom the Software is 
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in 
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "adDuplResultFilter.h"

namespace ad
{
    TDuplResultFilter::TKey::TKey(TResult* pResult)
        :first(pResult->first),
        second(pResult->second)
    {
        if(first > second)
            std::swap(first, second);
    }

    bool TDuplResultFilter::TKey::operator < (const TKey& key) const
    {
        if(first < key.first)
            return true;
        if(first > key.first)
            return false;
        return second < key.second;
    }

    void TDuplResultFilter::Clear()
    {
        m_map.clear();
    }

    bool TDuplResultFilter::AlreadyHas(TResult *pResult)
    {
        TMap::iterator it = m_map.find(TKey(pResult));
        if(it == m_map.end())
        {
            m_map[TKey(pResult)] = pResult;
            return false;
        }
        else
        {
            if(it->second->difference > pResult->difference)
            {
                it->second->difference = pResult->difference;
                it->second->transform = pResult->transform;
            }
            return true;
        }
    }
}